var saveFile = require('./Save.js');
var ExportDialog = require('./Dialogs/ExportDialog');
var GenerateCodeDialog = require('./Dialogs/GenerateCodeDialog');

/**
 * Copyright (c) 2006-2012, JGraph Ltd
 */
/**
 * Constructs the actions object for the given UI.
 */
function Actions(editorUi) {
  this.editorUi = editorUi;
  this.actions = new Object();
  this.init();
}

/**
 * Adds the default actions.
 */
Actions.prototype.init = function () {
  var ui = this.editorUi;
  var editor = ui.editor;
  var graph = editor.graph;
  var isGraphEnabled = function () {
    return Action.prototype.isEnabled.apply(this, arguments) && graph.isEnabled();
  };

  // File actions
  this.addAction('new...', function () {
    window.open(ui.getUrl());
  });
  this.addAction('open...', function () {
    window.openNew = true;
    window.openKey = 'open';

    window.editorUi = ui;

    ui.openFile();
  });
  this.addAction('import...', function () {
    window.openNew = false;
    window.openKey = 'import';

    // Closes dialog after open
    window.openFile = new OpenFile(mxUtils.bind(this, function () {
      ui.hideDialog();
    }));

    window.openFile.setConsumer(mxUtils.bind(this, function (xml, filename) {
      try {
        var doc = mxUtils.parseXml(xml);
        var model = new mxGraphModel();
        var codec = new mxCodec(doc);
        codec.decode(doc.documentElement, model);

        var children = model.getChildren(model.getChildAt(model.getRoot(), 0));
        editor.graph.setSelectionCells(editor.graph.importCells(children));
      } catch (e) {
        mxUtils.alert(mxResources.get('invalidOrMissingFile') + ': ' + e.message);
      }
    }));

    // Removes openFile if dialog is closed
    ui.showDialog(new OpenDialog(this).container, 320, 220, true, true, function () {
      window.openFile = null;
    });
  }).isEnabled = isGraphEnabled;
  this.addAction('save', function () {
    saveFile(ui, false);
  }, null, null, 'Ctrl+S').isEnabled = isGraphEnabled;
  this.addAction('saveAs...', function () {
    saveFile(ui, true);
  }, null, null, 'Ctrl+Shift+S').isEnabled = isGraphEnabled;
  this.addAction('export...', function () {
    ui.showDialog(new ExportDialog(ui).container, 300, 230, true, true);
  });
  this.addAction('editDiagram...', function () {
    var dlg = new EditDiagramDialog(ui);
    ui.showDialog(dlg.container, 620, 420, true, true);
    dlg.init();
  });
  this.addAction('generateCode...', function () {
    ui.showDialog(new GenerateCodeDialog(ui).container, 300, 230, true, true);
  });
  this.addAction('pageSetup...', function () {
    ui.showDialog(new PageSetupDialog(ui).container, 320, 220, true, true);
  }).isEnabled = isGraphEnabled;
  this.addAction('print...', function () {
    ui.showDialog(new PrintDialog(ui).container, 300, 180, true, true);
  }, null, 'sprite-print', 'Ctrl+P');
  this.addAction('preview', function () {
    mxUtils.show(graph, null, 10, 10);
  });

  // Edit actions
  this.addAction('undo', function () {
    ui.undo();
  }, null, 'sprite-undo', 'Ctrl+Z');
  this.addAction('redo', function () {
    ui.redo();
  }, null, 'sprite-redo', (!mxClient.IS_WIN) ? 'Ctrl+Shift+Z' : 'Ctrl+Y');
  this.addAction('cut', function () {
    mxClipboard.cut(graph);
  }, null, 'sprite-cut', 'Ctrl+X');
  this.addAction('copy', function () {
    mxClipboard.copy(graph);
  }, null, 'sprite-copy', 'Ctrl+C');
  this.addAction('paste', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      mxClipboard.paste(graph);
    }
  }, false, 'sprite-paste', 'Ctrl+V');
  this.addAction('pasteHere', function (evt) {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      graph.getModel().beginUpdate();
      try {
        var cells = mxClipboard.paste(graph);

        if (cells != null) {
          var bb = graph.getBoundingBoxFromGeometry(cells);

          if (bb != null) {
            var t = graph.view.translate;
            var s = graph.view.scale;
            var dx = t.x;
            var dy = t.y;

            var x = Math.round(graph.snap(graph.popupMenuHandler.triggerX / s - dx));
            var y = Math.round(graph.snap(graph.popupMenuHandler.triggerY / s - dy));

            graph.cellsMoved(cells, x - bb.x, y - bb.y);
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  });

  function deleteCells(includeEdges) {
    // Cancels interactive operations
    graph.escape();
    var cells = graph.getDeletableCells(graph.getSelectionCells());

    if (cells != null && cells.length > 0) {
      var parents = graph.model.getParents(cells);
      graph.removeCells(cells, includeEdges);

      // Selects parents for easier editing of groups
      if (parents != null) {
        var select = [];

        for (var i = 0; i < parents.length; i++) {
          if (graph.model.isVertex(parents[i]) || graph.model.isEdge(parents[i])) {
            select.push(parents[i]);
          }
        }

        graph.setSelectionCells(select);
      }
    }
  }

  this.addAction('delete', function (evt) {
    deleteCells(evt != null && mxEvent.isShiftDown(evt));
  }, null, null, 'Delete');
  this.addAction('deleteAll', function () {
    deleteCells(true);
  }, null, null, 'Ctrl+Delete');
  this.addAction('duplicate', function () {
    graph.setSelectionCells(graph.duplicateCells());
  }, null, null, 'Ctrl+D');
  this.put('turn', new Action(mxResources.get('turn') + ' / ' + mxResources.get('reverse'), function () {
    graph.turnShapes(graph.getSelectionCells());
  }, null, null, 'Ctrl+R'));
  this.addAction('selectVertices', function () {
    graph.selectVertices();
  }, null, null, 'Ctrl+Shift+I');
  this.addAction('selectEdges', function () {
    graph.selectEdges();
  }, null, null, 'Ctrl+Shift+E');
  this.addAction('selectAll', function () {
    graph.selectAll(null, true);
  }, null, null, 'Ctrl+A');
  this.addAction('selectNone', function () {
    graph.clearSelection();
  }, null, null, 'Ctrl+Shift+A');
  this.addAction('lockUnlock', function () {
    if (!graph.isSelectionEmpty()) {
      graph.getModel().beginUpdate();
      try {
        var defaultValue = graph.isCellMovable(graph.getSelectionCell()) ? 1 : 0;
        graph.toggleCellStyles(mxConstants.STYLE_MOVABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_RESIZABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_ROTATABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_DELETABLE, defaultValue);
        graph.toggleCellStyles(mxConstants.STYLE_EDITABLE, defaultValue);
        graph.toggleCellStyles('connectable', defaultValue);
      } finally {
        graph.getModel().endUpdate();
      }
    }
  }, null, null, 'Ctrl+L');

  // Navigation actions
  this.addAction('home', function () {
    graph.home();
  }, null, null, 'Home');
  this.addAction('exitGroup', function () {
    graph.exitGroup();
  }, null, null, 'Ctrl+Shift+Page Up');
  this.addAction('enterGroup', function () {
    graph.enterGroup();
  }, null, null, 'Ctrl+Shift+Page Down');
  this.addAction('expand', function () {
    graph.foldCells(false);
  }, null, null, 'Ctrl+Page Down');
  this.addAction('collapse', function () {
    graph.foldCells(true);
  }, null, null, 'Ctrl+Page Up');

  // Arrange actions
  this.addAction('toFront', function () {
    graph.orderCells(false);
  }, null, null, 'Ctrl+Shift+F');
  this.addAction('toBack', function () {
    graph.orderCells(true);
  }, null, null, 'Ctrl+Shift+B');
  this.addAction('group', function () {
    if (graph.getSelectionCount() == 1) {
      graph.setCellStyles('container', '1');
    } else {
      graph.setSelectionCell(graph.groupCells(null, 0));
    }
  }, null, null, 'Ctrl+G');
  this.addAction('ungroup', function () {
    if (graph.getSelectionCount() == 1 && graph.getModel().getChildCount(graph.getSelectionCell()) == 0) {
      graph.setCellStyles('container', '0');
    } else {
      graph.setSelectionCells(graph.ungroupCells());
    }
  }, null, null, 'Ctrl+Shift+U');
  this.addAction('removeFromGroup', function () {
    graph.removeCellsFromParent();
  });
  // Adds action
  this.addAction('edit', function () {
    if (graph.isEnabled()) {
      graph.startEditingAtCell();
    }
  }, null, null, 'F2/Enter');
  this.addAction('editData...', function () {
    var cell = graph.getSelectionCell() || graph.getModel().getRoot();

    if (cell != null) {
      var dlg = new EditDataDialog(ui, cell);
      ui.showDialog(dlg.container, 320, 320, true, false);
      dlg.init();
    }
  }, null, null, 'Ctrl+M');
  this.addAction('editTooltip...', function () {
    var graph = ui.editor.graph;

    if (graph.isEnabled() && !graph.isSelectionEmpty()) {
      var cell = graph.getSelectionCell();
      var tooltip = '';

      if (mxUtils.isNode(cell.value)) {
        var tmp = cell.value.getAttribute('tooltip');

        if (tmp != null) {
          tooltip = tmp;
        }
      }

	    	var dlg = new TextareaDialog(ui, mxResources.get('editTooltip') + ':', tooltip, function (newValue) {
        graph.setTooltipForCell(cell, newValue);
      });
      ui.showDialog(dlg.container, 320, 200, true, true);
      dlg.init();
    }
  });
  this.addAction('openLink', function () {
    var link = graph.getLinkForCell(graph.getSelectionCell());

    if (link != null) {
      window.open(link);
    }
  });
  this.addAction('editLink...', function () {
    var graph = ui.editor.graph;

    if (graph.isEnabled() && !graph.isSelectionEmpty()) {
      var cell = graph.getSelectionCell();
      var value = graph.getLinkForCell(cell) || '';

      ui.showLinkDialog(value, mxResources.get('apply'), function (link) {
        link = mxUtils.trim(link);
    			graph.setLinkForCell(cell, (link.length > 0) ? link : null);
      });
    }
  });
  this.addAction('insertLink...', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      var dlg = new LinkDialog(ui, '', mxResources.get('insert'), function (link, docs) {
        link = mxUtils.trim(link);

        if (link.length > 0) {
          var title = link.substring(link.lastIndexOf('/') + 1);
          var icon = null;

          if (docs != null && docs.length > 0) {
            icon = docs[0].iconUrl;
            title = docs[0].name || docs[0].type;
            title = title.charAt(0).toUpperCase() + title.substring(1);

            if (title.length > 30) {
              title = title.substring(0, 30) + '...';
            }
          }

          var pt = graph.getFreeInsertPoint();
            		var linkCell = new mxCell(
            title, new mxGeometry(pt.x, pt.y, 100, 40),
            	    	'fontColor=#0000EE;fontStyle=4;rounded=1;overflow=hidden;' + ((icon != null) ?
            	    	'shape=label;imageWidth=16;imageHeight=16;spacingLeft=26;align=left;image=' + icon :
            	    	'spacing=10;')
          );
            	    linkCell.vertex = true;

            	    graph.setLinkForCell(linkCell, link);
            	    graph.cellSizeUpdated(linkCell, true);
            	    graph.setSelectionCell(graph.addCell(linkCell));
            	    graph.scrollCellToVisible(graph.getSelectionCell());
        }
      });

      ui.showDialog(dlg.container, 420, 90, true, true);
      dlg.init();
    }
  }).isEnabled = isGraphEnabled;
  this.addAction('link...', mxUtils.bind(this, function () {
    var graph = ui.editor.graph;

    if (graph.isEnabled()) {
      if (graph.cellEditor.isContentEditing()) {
        var link = graph.getParentByName(graph.getSelectedElement(), 'A', graph.cellEditor.textarea);
        var oldValue = '';

        if (link != null) {
          oldValue = link.getAttribute('href') || '';
        }

        var selState = graph.cellEditor.saveSelection();

        ui.showLinkDialog(oldValue, mxResources.get('apply'), mxUtils.bind(this, function (value) {
		    		graph.cellEditor.restoreSelection(selState);

		    		if (value != null) {
		    			graph.insertLink(value);
          }
        }));
      } else if (graph.isSelectionEmpty()) {
        this.get('insertLink').funct();
      } else {
        this.get('editLink').funct();
      }
    }
  })).isEnabled = isGraphEnabled;
  this.addAction('autosize', function () {
    var cells = graph.getSelectionCells();

    if (cells != null) {
      graph.getModel().beginUpdate();
      try {
        for (var i = 0; i < cells.length; i++) {
          var cell = cells[i];

          if (graph.getModel().getChildCount(cell)) {
            graph.updateGroupBounds([cell], 20);
          } else {
            var state = graph.view.getState(cell);
            var geo = graph.getCellGeometry(cell);

            if (graph.getModel().isVertex(cell) && state != null && state.text != null &&
							geo != null && graph.isWrapping(cell)) {
              geo = geo.clone();
              geo.height = state.text.boundingBox.height / graph.view.scale;
              graph.getModel().setGeometry(cell, geo);
            } else {
              graph.updateCellSize(cell);
            }
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  }, null, null, 'Ctrl+Shift+Y');
  this.addAction('formattedText', function () {
    	var state = graph.getView().getState(graph.getSelectionCell());

    	if (state != null) {
	    	var value = '1';
	    	graph.stopEditing();

      graph.getModel().beginUpdate();
      try {
		    	if (state.style.html == '1') {
		    		value = null;
		    		var label = graph.convertValueToString(state.cell);

		    		if (mxUtils.getValue(state.style, 'nl2Br', '1') != '0') {
            // Removes newlines from HTML and converts breaks to newlines
            // to match the HTML output in plain text
            label = label.replace(/\n/g, '').replace(/<br\s*.?>/g, '\n');
          }

		    		// Removes HTML tags
	    			var temp = document.createElement('div');
	    			temp.innerHTML = label;
	    			label = mxUtils.extractTextWithWhitespace(temp.childNodes);

          graph.cellLabelChanged(state.cell, label);
		    	} else {
		    		// Converts HTML tags to text
		    		var label = mxUtils.htmlEntities(graph.convertValueToString(state.cell), false);

		    		if (mxUtils.getValue(state.style, 'nl2Br', '1') != '0') {
            // Converts newlines in plain text to breaks in HTML
            // to match the plain text output
		    			label = label.replace(/\n/g, '<br/>');
          }

		    		graph.cellLabelChanged(state.cell, graph.sanitizeHtml(label));
		    	}

		       	graph.setCellStyles('html', value);
        ui.fireEvent(new mxEventObject(
          'styleChanged', 'keys', ['html'],
          'values', [(value != null) ? value : '0'], 'cells',
          graph.getSelectionCells()
        ));
      } finally {
        graph.getModel().endUpdate();
      }
    	}
  });
  this.addAction('wordWrap', function () {
    	var state = graph.getView().getState(graph.getSelectionCell());
    	var value = 'wrap';

    graph.stopEditing();

    	if (state != null && state.style[mxConstants.STYLE_WHITE_SPACE] == 'wrap') {
    		value = null;
    	}

       	graph.setCellStyles(mxConstants.STYLE_WHITE_SPACE, value);
  });
  this.addAction('rotation', function () {
    var value = '0';
    	var state = graph.getView().getState(graph.getSelectionCell());

    	if (state != null) {
    		value = state.style[mxConstants.STYLE_ROTATION] || value;
    	}

    var dlg = new FilenameDialog(ui, value, mxResources.get('apply'), function (newValue) {
      if (newValue != null && newValue.length > 0) {
        graph.setCellStyles(mxConstants.STYLE_ROTATION, newValue);
      }
    }, mxResources.get('enterValue') + ' (' + mxResources.get('rotation') + ' 0-360)');

    ui.showDialog(dlg.container, 300, 80, true, true);
    dlg.init();
  });
  // View actions
  this.addAction('resetView', function () {
    graph.zoomTo(1);
    ui.resetScrollbars();
  }, null, null, 'Ctrl+H');
  this.addAction('zoomIn', function (evt) {
    graph.zoomIn();
  }, null, null, 'Ctrl + / Alt+Mousewheel');
  this.addAction('zoomOut', function (evt) {
    graph.zoomOut();
  }, null, null, 'Ctrl - / Alt+Mousewheel');
  this.addAction('fitWindow', function () {
    graph.fit();
  }, null, null, 'Ctrl+Shift+H');
  this.addAction('fitPage', mxUtils.bind(this, function () {
    if (!graph.pageVisible) {
      this.get('pageView').funct();
    }

    var fmt = graph.pageFormat;
    var ps = graph.pageScale;
    var cw = graph.container.clientWidth - 10;
    var ch = graph.container.clientHeight - 10;
    var scale = Math.floor(20 * Math.min(cw / fmt.width / ps, ch / fmt.height / ps)) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      var pad = graph.getPagePadding();
      graph.container.scrollTop = pad.y * graph.view.scale;
      graph.container.scrollLeft = Math.min(pad.x * graph.view.scale, (graph.container.scrollWidth - graph.container.clientWidth) / 2);
    }
  }), null, null, 'Ctrl+J');
  this.addAction('fitTwoPages', mxUtils.bind(this, function () {
    if (!graph.pageVisible) {
      this.get('pageView').funct();
    }

    var fmt = graph.pageFormat;
    var ps = graph.pageScale;
    var cw = graph.container.clientWidth - 10;
    var ch = graph.container.clientHeight - 10;

    var scale = Math.floor(20 * Math.min(cw / (2 * fmt.width) / ps, ch / fmt.height / ps)) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      var pad = graph.getPagePadding();
      graph.container.scrollTop = Math.min(pad.y, (graph.container.scrollHeight - graph.container.clientHeight) / 2);
      graph.container.scrollLeft = Math.min(pad.x, (graph.container.scrollWidth - graph.container.clientWidth) / 2);
    }
  }), null, null, 'Ctrl+Shift+J');
  this.addAction('fitPageWidth', mxUtils.bind(this, function () {
    if (!graph.pageVisible) {
      this.get('pageView').funct();
    }

    var fmt = graph.pageFormat;
    var ps = graph.pageScale;
    var cw = graph.container.clientWidth - 10;

    var scale = Math.floor(20 * cw / fmt.width / ps) / 20;
    graph.zoomTo(scale);

    if (mxUtils.hasScrollbars(graph.container)) {
      var pad = graph.getPagePadding();
      graph.container.scrollLeft = Math.min(
        pad.x * graph.view.scale,
        (graph.container.scrollWidth - graph.container.clientWidth) / 2
      );
    }
  }));
  this.put('customZoom', new Action(mxResources.get('custom') + '...', mxUtils.bind(this, function () {
    var dlg = new FilenameDialog(this.editorUi, parseInt(graph.getView().getScale() * 100), mxResources.get('apply'), mxUtils.bind(this, function (newValue) {
      var val = parseInt(newValue);

      if (!isNaN(val) && val > 0) {
        graph.zoomTo(val / 100);
      }
    }), mxResources.get('zoom') + ' (%)');
    this.editorUi.showDialog(dlg.container, 300, 80, true, true);
    dlg.init();
  }), null, null, 'Ctrl+0'));
  this.addAction('pageScale...', mxUtils.bind(this, function () {
    var dlg = new FilenameDialog(this.editorUi, parseInt(graph.pageScale * 100), mxResources.get('apply'), mxUtils.bind(this, function (newValue) {
      var val = parseInt(newValue);

      if (!isNaN(val) && val > 0) {
        ui.setPageScale(val / 100);
      }
    }), mxResources.get('pageScale') + ' (%)');
    this.editorUi.showDialog(dlg.container, 300, 80, true, true);
    dlg.init();
  }));

  // Option actions
  var action = null;
  action = this.addAction('grid', function () {
    graph.setGridEnabled(!graph.isGridEnabled());
    ui.fireEvent(new mxEventObject('gridEnabledChanged'));
  }, null, null, 'Ctrl+Shift+G');
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.isGridEnabled();
  });
  action.setEnabled(false);

  action = this.addAction('guides', function () {
    graph.graphHandler.guidesEnabled = !graph.graphHandler.guidesEnabled;
    ui.fireEvent(new mxEventObject('guidesEnabledChanged'));
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.graphHandler.guidesEnabled;
  });
  action.setEnabled(false);

  action = this.addAction('tooltips', function () {
    graph.tooltipHandler.setEnabled(!graph.tooltipHandler.isEnabled());
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.tooltipHandler.isEnabled();
  });

  action = this.addAction('collapseExpand', function () {
    ui.setFoldingEnabled(!graph.foldingEnabled);
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.foldingEnabled;
  });
  action.isEnabled = isGraphEnabled;
  action = this.addAction('scrollbars', function () {
    ui.setScrollbars(!ui.hasScrollbars());
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.scrollbars;
  });
  action = this.addAction('pageView', mxUtils.bind(this, function () {
    ui.setPageVisible(!graph.pageVisible);
  }));
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.pageVisible;
  });
  this.put('pageBackgroundColor', new Action(mxResources.get('backgroundColor') + '...', function () {
    ui.pickColor(graph.background || 'none', function (color) {
      ui.setBackgroundColor(color);
    });
  }));
  action = this.addAction('connectionArrows', function () {
    graph.connectionArrowsEnabled = !graph.connectionArrowsEnabled;
    ui.fireEvent(new mxEventObject('connectionArrowsChanged'));
  }, null, null, 'Ctrl+Q');
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.connectionArrowsEnabled;
  });
  action = this.addAction('connectionPoints', function () {
    graph.setConnectable(!graph.connectionHandler.isEnabled());
    ui.fireEvent(new mxEventObject('connectionPointsChanged'));
  }, null, null, 'Ctrl+Shift+Q');
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.connectionHandler.isEnabled();
  });
  action = this.addAction('copyConnect', function () {
    graph.connectionHandler.setCreateTarget(!graph.connectionHandler.isCreateTarget());
    ui.fireEvent(new mxEventObject('copyConnectChanged'));
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return graph.connectionHandler.isCreateTarget();
  });
  action.isEnabled = isGraphEnabled;
  action = this.addAction('autosave', function () {
    ui.editor.setAutosave(!ui.editor.autosave);
  });
  action.setToggleAction(true);
  action.setSelectedCallback(function () {
    return ui.editor.autosave;
  });
  action.isEnabled = isGraphEnabled;
  action.visible = false;

  // Help actions
  this.addAction('help', function () {
    var ext = '';

    if (mxResources.isLanguageSupported(mxClient.language)) {
      ext = '_' + mxClient.language;
    }

    window.open(RESOURCES_PATH + '/help' + ext + '.html');
  });
  this.put('about', new Action(mxResources.get('about') + ' Graph Editor...', function () {
    ui.showDialog(new AboutDialog(ui).container, 320, 280, true, true);
  }, null, null, 'F1'));

  // Font style actions
  var toggleFontStyle = mxUtils.bind(this, function (key, style, fn, shortcut) {
    return this.addAction(key, function () {
      if (fn != null && graph.cellEditor.isContentEditing()) {
        fn();
      } else {
        graph.stopEditing(false);
        graph.toggleCellStyleFlags(mxConstants.STYLE_FONTSTYLE, style);
      }
    }, null, null, shortcut);
  });

  toggleFontStyle('bold', mxConstants.FONT_BOLD, function () {
    document.execCommand('bold', false, null);
  }, 'Ctrl+B');
  toggleFontStyle('italic', mxConstants.FONT_ITALIC, function () {
    document.execCommand('italic', false, null);
  }, 'Ctrl+I');
  toggleFontStyle('underline', mxConstants.FONT_UNDERLINE, function () {
    document.execCommand('underline', false, null);
  }, 'Ctrl+U');

  // Color actions
  this.addAction('fontColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_FONTCOLOR, 'forecolor', '000000');
  });
  this.addAction('strokeColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_STROKECOLOR);
  });
  this.addAction('fillColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_FILLCOLOR);
  });
  this.addAction('gradientColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_GRADIENTCOLOR);
  });
  this.addAction('backgroundColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_LABEL_BACKGROUNDCOLOR, 'backcolor');
  });
  this.addAction('borderColor...', function () {
    ui.menus.pickColor(mxConstants.STYLE_LABEL_BORDERCOLOR);
  });

  // Format actions
  this.addAction('vertical', function () {
    ui.menus.toggleStyle(mxConstants.STYLE_HORIZONTAL, true);
  });
  this.addAction('shadow', function () {
    ui.menus.toggleStyle(mxConstants.STYLE_SHADOW);
  });
  this.addAction('solid', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_DASHED, null);
      graph.setCellStyles(mxConstants.STYLE_DASH_PATTERN, null);
      ui.fireEvent(new mxEventObject(
        'styleChanged', 'keys', [mxConstants.STYLE_DASHED, mxConstants.STYLE_DASH_PATTERN],
        'values', [null, null], 'cells', graph.getSelectionCells()
      ));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('dashed', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_DASHED, '1');
      graph.setCellStyles(mxConstants.STYLE_DASH_PATTERN, null);
      ui.fireEvent(new mxEventObject(
        'styleChanged', 'keys', [mxConstants.STYLE_DASHED, mxConstants.STYLE_DASH_PATTERN],
        'values', ['1', null], 'cells', graph.getSelectionCells()
      ));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('dotted', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_DASHED, '1');
      graph.setCellStyles(mxConstants.STYLE_DASH_PATTERN, '1 4');
      ui.fireEvent(new mxEventObject(
        'styleChanged', 'keys', [mxConstants.STYLE_DASHED, mxConstants.STYLE_DASH_PATTERN],
        'values', ['1', '1 4'], 'cells', graph.getSelectionCells()
      ));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('sharp', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_ROUNDED, '0');
      graph.setCellStyles(mxConstants.STYLE_CURVED, '0');
      ui.fireEvent(new mxEventObject(
        'styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
        'values', ['0', '0'], 'cells', graph.getSelectionCells()
      ));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('rounded', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_ROUNDED, '1');
      graph.setCellStyles(mxConstants.STYLE_CURVED, '0');
      ui.fireEvent(new mxEventObject(
        'styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
        'values', ['1', '0'], 'cells', graph.getSelectionCells()
      ));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('toggleRounded', function () {
    if (!graph.isSelectionEmpty() && graph.isEnabled()) {
      graph.getModel().beginUpdate();
      try {
        var cells = graph.getSelectionCells();
	    		var state = graph.view.getState(cells[0]);
	    		var style = (state != null) ? state.style : graph.getCellStyle(cells[0]);
	    		var value = (mxUtils.getValue(style, mxConstants.STYLE_ROUNDED, '0') == '1') ? '0' : '1';

        graph.setCellStyles(mxConstants.STYLE_ROUNDED, value);
        graph.setCellStyles(mxConstants.STYLE_CURVED, null);
        ui.fireEvent(new mxEventObject(
          'styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
          'values', [value, '0'], 'cells', graph.getSelectionCells()
        ));
      } finally {
        graph.getModel().endUpdate();
      }
    }
  });
  this.addAction('curved', function () {
    graph.getModel().beginUpdate();
    try {
      graph.setCellStyles(mxConstants.STYLE_ROUNDED, '0');
      graph.setCellStyles(mxConstants.STYLE_CURVED, '1');
      ui.fireEvent(new mxEventObject(
        'styleChanged', 'keys', [mxConstants.STYLE_ROUNDED, mxConstants.STYLE_CURVED],
        'values', ['0', '1'], 'cells', graph.getSelectionCells()
      ));
    } finally {
      graph.getModel().endUpdate();
    }
  });
  this.addAction('collapsible', function () {
    var state = graph.view.getState(graph.getSelectionCell());
    var value = '1';

    if (state != null && graph.getFoldingImage(state) != null) {
      value = '0';
    }

    graph.setCellStyles('collapsible', value);
    ui.fireEvent(new mxEventObject(
      'styleChanged', 'keys', ['collapsible'],
      'values', [value], 'cells', graph.getSelectionCells()
    ));
  });
  this.addAction('editStyle...', mxUtils.bind(this, function () {
    var cells = graph.getSelectionCells();

    if (cells != null && cells.length > 0) {
      var model = graph.getModel();

	    	var dlg = new TextareaDialog(
        this.editorUi, mxResources.get('editStyle') + ':',
	    			model.getStyle(cells[0]) || '', function (newValue) {
	    		if (newValue != null) {
            graph.setCellStyle(mxUtils.trim(newValue), cells);
          }
        }, null, null, 400, 220
      );
      this.editorUi.showDialog(dlg.container, 420, 300, true, true);
      dlg.init();
    }
  }), null, null, 'Ctrl+E');
  this.addAction('setAsDefaultStyle', function () {
    if (graph.isEnabled() && !graph.isSelectionEmpty()) {
      ui.setDefaultStyle(graph.getSelectionCell());
    }
  }, null, null, 'Ctrl+Shift+D');
  this.addAction('clearDefaultStyle', function () {
    if (graph.isEnabled()) {
      ui.clearDefaultStyle();
    }
  }, null, null, 'Ctrl+Shift+R');
  this.addAction('addWaypoint', function () {
    var cell = graph.getSelectionCell();

    if (cell != null && graph.getModel().isEdge(cell)) {
      var handler = editor.graph.selectionCellsHandler.getHandler(cell);

      if (handler instanceof mxEdgeHandler) {
        var t = graph.view.translate;
        var s = graph.view.scale;
        var dx = t.x;
        var dy = t.y;

        var parent = graph.getModel().getParent(cell);
        var pgeo = graph.getCellGeometry(parent);

        while (graph.getModel().isVertex(parent) && pgeo != null) {
          dx += pgeo.x;
          dy += pgeo.y;

          parent = graph.getModel().getParent(parent);
          pgeo = graph.getCellGeometry(parent);
        }

        var x = Math.round(graph.snap(graph.popupMenuHandler.triggerX / s - dx));
        var y = Math.round(graph.snap(graph.popupMenuHandler.triggerY / s - dy));

        handler.addPointAt(handler.state, x, y);
      }
    }
  });
  this.addAction('removeWaypoint', function () {
    // TODO: Action should run with "this" set to action
    var rmWaypointAction = ui.actions.get('removeWaypoint');

    if (rmWaypointAction.handler != null) {
      // NOTE: Popupevent handled and action updated in Menus.createPopupMenu
      rmWaypointAction.handler.removePoint(rmWaypointAction.handler.state, rmWaypointAction.index);
    }
  });
  this.addAction('clearWaypoints', function () {
    var cells = graph.getSelectionCells();

    if (cells != null) {
      graph.getModel().beginUpdate();
      try {
        for (var i = 0; i < cells.length; i++) {
          var cell = cells[i];

          if (graph.getModel().isEdge(cell)) {
            var geo = graph.getCellGeometry(cell);

            if (geo != null) {
              geo = geo.clone();
              geo.points = null;
              graph.getModel().setGeometry(cell, geo);
            }
          }
        }
      } finally {
        graph.getModel().endUpdate();
      }
    }
  });
  action = this.addAction('subscript', mxUtils.bind(this, function () {
	    if (graph.cellEditor.isContentEditing()) {
      document.execCommand('subscript', false, null);
    }
  }), null, null, 'Ctrl+,');
  action = this.addAction('superscript', mxUtils.bind(this, function () {
	    if (graph.cellEditor.isContentEditing()) {
      document.execCommand('superscript', false, null);
    }
  }), null, null, 'Ctrl+.');
  this.addAction('image...', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      var title = mxResources.get('image') + ' (' + mxResources.get('url') + '):';
	    	var state = graph.getView().getState(graph.getSelectionCell());
	    	var value = '';

	    	if (state != null) {
	    		value = state.style[mxConstants.STYLE_IMAGE] || value;
	    	}

	    	var selectionState = graph.cellEditor.saveSelection();

	    	ui.showImageDialog(title, value, function (newValue, w, h) {
	    		// Inserts image into HTML text
	    		if (graph.cellEditor.isContentEditing()) {
	    			graph.cellEditor.restoreSelection(selectionState);
	    			graph.insertImage(newValue, w, h);
	    		} else {
          var cells = graph.getSelectionCells();

          if (newValue != null) {
            var select = null;

            graph.getModel().beginUpdate();
			        	try {
			        		// Inserts new cell if no cell is selected
			    			if (cells.length == 0) {
			    				var pt = graph.getFreeInsertPoint();
			    				cells = [graph.insertVertex(
                  graph.getDefaultParent(), null, '', pt.x, pt.y, w, h,
			    						'shape=image;imageAspect=0;aspect=fixed;verticalLabelPosition=bottom;verticalAlign=top;'
                )];
			    				select = cells;
			    			}

			        		graph.setCellStyles(mxConstants.STYLE_IMAGE, newValue, cells);

			        		// Sets shape only if not already shape with image (label or image)
			        		var state = graph.view.getState(cells[0]);
			        		var style = (state != null) ? state.style : graph.getCellStyle(cells[0]);

			        		if (style[mxConstants.STYLE_SHAPE] != 'image' && style[mxConstants.STYLE_SHAPE] != 'label') {
			        			graph.setCellStyles(mxConstants.STYLE_SHAPE, 'image', cells);
			        		}

				        	if (graph.getSelectionCount() == 1) {
					        	if (w != null && h != null) {
					        		var cell = cells[0];
					        		var geo = graph.getModel().getGeometry(cell);

					        		if (geo != null) {
					        			geo = geo.clone();
						        		geo.width = w;
						        		geo.height = h;
						        		graph.getModel().setGeometry(cell, geo);
					        		}
					        	}
				        	}
			        	} finally {
			        		graph.getModel().endUpdate();
			        	}

			        	if (select != null) {
			        		graph.setSelectionCells(select);
			        		graph.scrollCellToVisible(select[0]);
			        	}
          }
	    		}
      }, graph.cellEditor.isContentEditing(), !graph.cellEditor.isContentEditing());
    }
  }).isEnabled = isGraphEnabled;
  this.addAction('insertImage...', function () {
    if (graph.isEnabled() && !graph.isCellLocked(graph.getDefaultParent())) {
      graph.clearSelection();
      ui.actions.get('image').funct();
    }
  }).isEnabled = isGraphEnabled;
  action = this.addAction('layers', mxUtils.bind(this, function () {
    if (this.layersWindow == null) {
      // LATER: Check outline window for initial placement
      this.layersWindow = new LayersWindow(ui, document.body.offsetWidth - 280, 120, 220, 180);
      this.layersWindow.window.addListener('show', function () {
        ui.fireEvent(new mxEventObject('layers'));
      });
      this.layersWindow.window.addListener('hide', function () {
        ui.fireEvent(new mxEventObject('layers'));
      });
      this.layersWindow.window.setVisible(true);
      ui.fireEvent(new mxEventObject('layers'));
    } else {
      this.layersWindow.window.setVisible(!this.layersWindow.window.isVisible());
    }

    // ui.fireEvent(new mxEventObject('layers'));
  }), null, null, 'Ctrl+Shift+L');
  action.setToggleAction(true);
  action.setSelectedCallback(mxUtils.bind(this, function () {
    return this.layersWindow != null && this.layersWindow.window.isVisible();
  }));
  action = this.addAction('formatPanel', mxUtils.bind(this, function () {
    ui.toggleFormatPanel();
  }), null, null, 'Ctrl+Shift+P');
  action.setToggleAction(true);
  action.setSelectedCallback(mxUtils.bind(this, function () {
    return ui.formatWidth > 0;
  }));
  action = this.addAction('outline', mxUtils.bind(this, function () {
    if (this.outlineWindow == null) {
      // LATER: Check layers window for initial placement
      this.outlineWindow = new OutlineWindow(ui, document.body.offsetWidth - 260, 100, 180, 180);
      this.outlineWindow.window.addListener('show', function () {
        ui.fireEvent(new mxEventObject('outline'));
      });
      this.outlineWindow.window.addListener('hide', function () {
        ui.fireEvent(new mxEventObject('outline'));
      });
      this.outlineWindow.window.setVisible(true);
      ui.fireEvent(new mxEventObject('outline'));
    } else {
      this.outlineWindow.window.setVisible(!this.outlineWindow.window.isVisible());
    }

    ui.fireEvent(new mxEventObject('outline'));
  }), null, null, 'Ctrl+Shift+O');

  action.setToggleAction(true);
  action.setSelectedCallback(mxUtils.bind(this, function () {
    return this.outlineWindow != null && this.outlineWindow.window.isVisible();
  }));
};

/**
 * Registers the given action under the given name.
 */
Actions.prototype.addAction = function (key, funct, enabled, iconCls, shortcut) {
  var title;

  if (key.substring(key.length - 3) == '...') {
    key = key.substring(0, key.length - 3);
    title = mxResources.get(key) + '...';
  } else {
    title = mxResources.get(key);
  }

  return this.put(key, new Action(title, funct, enabled, iconCls, shortcut));
};

/**
 * Registers the given action under the given name.
 */
Actions.prototype.put = function (name, action) {
  this.actions[name] = action;

  return action;
};

/**
 * Returns the action for the given name or null if no such action exists.
 */
Actions.prototype.get = function (name) {
  return this.actions[name];
};

/**
 * Constructs a new action for the given parameters.
 */
function Action(label, funct, enabled, iconCls, shortcut) {
  mxEventSource.call(this);
  this.label = label;
  this.funct = funct;
  this.enabled = (enabled != null) ? enabled : true;
  this.iconCls = iconCls;
  this.shortcut = shortcut;
  this.visible = true;
}

// Action inherits from mxEventSource
mxUtils.extend(Action, mxEventSource);

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.setEnabled = function (value) {
  if (this.enabled != value) {
    this.enabled = value;
    this.fireEvent(new mxEventObject('stateChanged'));
  }
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.isEnabled = function () {
  return this.enabled;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.setToggleAction = function (value) {
  this.toggleAction = value;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.setSelectedCallback = function (funct) {
  this.selectedCallback = funct;
};

/**
 * Sets the enabled state of the action and fires a stateChanged event.
 */
Action.prototype.isSelected = function () {
  return this.selectedCallback();
};

module.exports = Actions;
